The MABA-011116 from MACOM is a Space Qualified RF Balun with Frequency 5 MHz to 3 GHz, Impedance Ratio (Num) 1:2, Amplitude Balance ±2 dB, Phase Balance ±32 Degrees, Insertion Loss 1.4 to 2.4 dB. Tags: Surface Mount, Unbalanced to Balanced. More details for MABA-011116 can be seen below.